if (other==this) return this; checkShape(other); if (haveSharedCells(other)) { ObjectMatrix3D c = other.copy(); if (! (c instanceof DenseObjectMatrix3D)) { // should not happen
if (other==this) return this; checkShape(other); if (haveSharedCells(other)) { ObjectMatrix3D c = other.copy(); if (! (c instanceof DenseObjectMatrix3D)) { // should not happen